package org.eoti.lang;

import java.math.BigInteger;

/**
 * The MIT License
 * <p/>
 * Copyright (c) 2009 Malachi de AElfweald (malachid@gmail.com)
 * <p/>
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated
 * documentation files (the "Software"), to deal in the Software without restriction, including without limitation the
 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to
 * permit persons to whom the Software is furnished to do so, subject to the following conditions:
 * <p/>
 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the
 * Software.
 * <p/>
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
 * WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
public class UInt64 extends UInt<BigInteger>
{
	public static final BigInteger MIN_VALUE = BigInteger.valueOf(0);
	public static final BigInteger MAX_VALUE = new BigInteger("18446744073709551615");
	public UInt64(BigInteger value)
	{
		if(value.subtract(MIN_VALUE).signum() < 0) throw new NumberFormatException();
		if(value.subtract(MAX_VALUE).signum() > 0) throw new NumberFormatException();
		delegate = value;
	}
	public UInt64(String value)
	{
		BigInteger biValue = new BigInteger(value);
		if(biValue.subtract(MIN_VALUE).signum() < 0) throw new NumberFormatException();
		if(biValue.subtract(MAX_VALUE).signum() > 0) throw new NumberFormatException();
		delegate = biValue;
	}
	public UInt64(byte[] value)
	{
		BigInteger biValue = new BigInteger(value);
		if(biValue.subtract(MIN_VALUE).signum() < 0) throw new NumberFormatException();
		if(biValue.subtract(MAX_VALUE).signum() > 0) throw new NumberFormatException();
		delegate = biValue;
	}
	public boolean equals(Object obj)
	{
		if(obj == null) return false;
		if(!UInt64.class.isAssignableFrom(obj.getClass())) return false;
		return super.equals(obj);
	}
}
